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BOTZ vs. KOID vs. ROBO: Which Robotics ETF Fits Your Portfolio in 2026?

Three funds, three strategies. Here's what actually separates them — and which kind of investor each one suits.

PUBLISHED 2026-07-26 · ETF_01

BOTZ, KOID, and ROBO take three different approaches to robotics investing: BOTZ concentrates on established industrial robotics and AI leaders, KOID is a pure-play bet on humanoid robotics specifically, and ROBO diversifies broadly across roughly 89 holdings in the robotics value chain. As of mid-2026, ROBO has outperformed BOTZ year-to-date, while KOID — newer and humanoid-focused — has posted strong but more volatile early returns.

The comparison at a glance

BOTZKOIDROBO FocusIndustrial robotics & AIHumanoid robotics (pure-play)Broad robotics/automation Expense ratio0.68%See current fact sheet0.95% Holdings62Concentrated, newer~89 (equal-weight) Inception2016June 2025Established, older Top holdingsNVIDIA, Keyence, Mitsubishi ElectricHumanoid component & platform makersDiversified across value chain 2026 YTD (late July)-3.9%Strong early run, high volatility+14.5%

Why the performance gap?

ROBO's diversified, equal-weight structure spread risk across more of the value chain in 2026, while BOTZ's concentration in a handful of large-cap names meant it moved more with those specific stocks. KOID, as a brand-new pure-play fund, is still too young for a meaningful multi-year track record — its early numbers reflect a narrow, high-conviction bet on humanoid robotics specifically rather than the broader automation trade.

Which one fits which investor?

Want lower cost and can tolerate concentration risk: BOTZ's 0.68% expense ratio is the cheapest of the three, but a larger share of returns depends on a small number of large-cap holdings.

Want direct, undiluted exposure to humanoid robotics specifically: KOID offers the purest bet on that theme, at the cost of a short track record and likely higher volatility.

Want the broadest diversification across the value chain: ROBO's equal-weight approach across roughly 89 holdings spreads company-specific risk furthest, for a higher expense ratio.

The bottom line

None of these funds is a bet on a single company — each is a bet on how fast and how broadly the robotics buildout plays out, and how concentrated you want that bet to be. Cost, concentration, and how "pure-play" the humanoid theme needs to be are the three axes that actually separate them.

Related reading

For the broader context behind these numbers: how Goldman Sachs and Morgan Stanley size the humanoid robot market, and what the Shiller CAPE ratio says about AI-era valuations.

This is factual, comparative information for research purposes and is not investment advice. Expense ratios, holdings, and returns change — verify current figures with each fund's official fact sheet before making any investment decision.

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